package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto)
    {
        log.info(dishDto.toString());
        dishService.save(dishDto);
        String key=dishDto.getCategoryId()+"_dish";
        redisTemplate.delete(key);
        return R.success("新增菜品成功");
    }
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name)
    {
        Page<Dish>pageInfo=new Page<Dish>(page,pageSize);
        Page<DishDto>dishDtoPage=new Page<DishDto>(page,pageSize);
        LambdaQueryWrapper<Dish>queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Dish::getName,name);
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        dishService.page(pageInfo,queryWrapper);
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto>list=records.stream().map((item)->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if(category!=null) {
                String name1 = category.getName();
                dishDto.setCategoryName(name1);
            }
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id)
    {
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }
    @PutMapping
    public R<String>update(@RequestBody DishDto dishDto)
    {
         dishService.updateWithFlavor(dishDto);
        String key=dishDto.getCategoryId()+"_dish";
        redisTemplate.delete(key);
         return R.success("修改成功");
    }
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish)
    {
        List<DishDto>dishDtoList=null;
        LambdaQueryWrapper<Dish>queryWrapper=new LambdaQueryWrapper<>();
        String key=dish.getCategoryId()+"_dish";
        List<DishDto>listDto = (List<DishDto>) redisTemplate.opsForValue().get(key);
        if(listDto!=null)
        {
            return R.success(listDto);
        }
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByDesc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        dishDtoList=list.stream().map((item)->
        {
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if(category!=null)
            {
                String name = category.getName();
                dishDto.setCategoryName(name);
            }
            Long id = item.getId();
            LambdaQueryWrapper<DishFlavor>lambdaQueryWrapper=new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,id);
            List<DishFlavor> list1 = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(list1);
            return dishDto;
        }).collect(Collectors.toList());
        redisTemplate.opsForValue().set(key,dishDtoList,60,TimeUnit.MINUTES);
        return R.success(dishDtoList);
    }
    @DeleteMapping()
    public R<String>delete(@RequestParam List<Long>ids)
    {
        log.info("ids+",ids);
        for (Long id : ids) {
            Dish dish = dishService.getById(id);
            String key=dish.getCategoryId()+"_dish";
            redisTemplate.delete(key);
        }
        dishService.removeByIds(ids);
        return R.success("删除成功");
    }
    @PostMapping("/status/1")
    public R<String>startSales(@RequestParam List<Long>ids)
    {

        LambdaUpdateWrapper<Dish>lambdaUpdateWrapper= null;
        for (Long i:ids) {
            lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
            lambdaUpdateWrapper.eq(Dish::getId,i);
            lambdaUpdateWrapper.set(Dish::getStatus,1);
            dishService.update(lambdaUpdateWrapper);
            Dish dish = dishService.getById(i);
            String key=dish.getCategoryId()+"_dish";
            redisTemplate.delete(key);
        }
        return R.success("起售成功");
    }
    @PostMapping("/status/0")
    public R<String>stopSales(@RequestParam List<Long>ids)
    {
        LambdaUpdateWrapper<Dish>lambdaUpdateWrapper= null;
        for (Long i:ids) {
            lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
            lambdaUpdateWrapper.eq(Dish::getId,i);
            lambdaUpdateWrapper.set(Dish::getStatus,0);
            dishService.update(lambdaUpdateWrapper);
            Dish dish = dishService.getById(i);
            String key=dish.getCategoryId()+"_dish";
            redisTemplate.delete(key);
        }
        return R.success("停售成功");
    }
}
